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Twin Power Starter Relay Replaces H-D 71463-73A

Twin Power™ starter relay directly replaces H-D 71463-73A, delivering reliable electrical activation for Harley-Davidson starter circuits across Big Twin and XL applications.
  • Precision OEM replacement ensures consistent solenoid engagement without clicking or failures
  • High-current contacts handle Evolution engine cranking demands under all conditions
  • Essential upgrade for vintage starter systems prone to relay burnout

The Twin Power starter relay is a direct replacement for Harley-Davidson H-D 71463-73A, providing dependable electrical activation for starter circuits on select Big Twin and XL motorcycles. Part number TWP463053 is designed to support consistent solenoid engagement and reliable starting performance in vintage Harley-Davidson applications.


  • Precision replacement design helps restore dependable starter relay operation

  • High-current contacts support the electrical demands of Evolution engine cranking

  • Reliable solution for older starter systems affected by relay wear or burnout

  • Directly replaces Harley-Davidson H-D 71463-73A


This Twin Power relay is suited for riders and technicians servicing select 1975–1978 Harley-Davidson models, including the FX Super Glide, FXE Super Glide, FXS Low Rider, and XLCH. Its replacement-focused design makes installation straightforward when servicing the original starter circuit, helping reduce intermittent engagement, clicking, and starting-related electrical concerns.
The Twin Power Starter Relay Replacement is a practical choice for maintaining dependable starting performance on classic Harley-Davidson motorcycles. Verify the original relay number and vehicle application before installation to ensure compatibility with your motorcycle’s electrical system.

Features:

  • Direct replacement for Harley-Davidson H-D 71463-73A
  • Part number TWP463053
  • Supports reliable solenoid engagement
  • High-current contacts for starter circuit demands
  • Designed for select Harley-Davidson Big Twin and XL applications
  • Fits select 1975–1978 FX, FXE, FXS, and XLCH models

Fitment:
Harley Davidson FLH Electra Glide Base 1974
Harley Davidson FLH Electra Glide Base 1975
Harley Davidson FLH Electra Glide Base 1976
Harley Davidson FLH Electra Glide Base 1977
Harley Davidson FLH Electra Glide Base 1978
Harley Davidson FLH Electra Glide Base 1979
Harley Davidson FX Super Glide Base 1975
Harley Davidson FX Super Glide Base 1976
Harley Davidson FX Super Glide Base 1977
Harley Davidson FX Super Glide Base 1978
Harley Davidson FXE Super Glide Base 1975
Harley Davidson FXE Super Glide Base 1976
Harley Davidson FXE Super Glide Base 1977
Harley Davidson FXE Super Glide Base 1978
Harley Davidson FXE Super Glide Base 1979
Harley Davidson FXR Super Glide II Base 1984
Harley Davidson FXR Super Glide II Base 1985
Harley Davidson FXRC Low Rider Chrome Base 1985
Harley Davidson FXRDG Disc Glide Base 1984
Harley Davidson FXRS Low Glide Base 1984
Harley Davidson FXRS Low Glide Base 1985
Harley Davidson FXRT Sport Glide Base 1984
Harley Davidson FXRT Sport Glide Base 1985
Harley Davidson FXS Low Rider Base 1977
Harley Davidson FXS Low Rider Base 1978
Harley Davidson FXS Low Rider Base 1979
Harley Davidson FXSB Low Rider - Belt Base 1985
Harley Davidson FXWG Wide Glide Base 1985
Harley Davidson XLCH Base 1975
Harley Davidson XLCH Base 1976
Harley Davidson XLCH Base 1977
Harley Davidson XLCH Base 1978
Harley Davidson XLCH Base 1979
Harley Davidson XLCR Cafe Racer Base 1977
Harley Davidson XLCR Cafe Racer Base 1978
Harley Davidson XLT Base 1977
Harley Davidson XLT Base 1978